Think twice :
Hover, David.
Think twice : communication activities for beginner to intermediate students. Teacher's book / David Hover. - New York : Cambridge University, 1986. - 2 t. ; 25 cm.
t.1. Student's book -- t.2. Teacher's book.
0521273854 (Student's book) 0521273862 (Teacher's book)
Inglés --Manuales, etc.
Inglés --Estudio y enseñanza.
PE1128 / H68 1986
Think twice : communication activities for beginner to intermediate students. Teacher's book / David Hover. - New York : Cambridge University, 1986. - 2 t. ; 25 cm.
t.1. Student's book -- t.2. Teacher's book.
0521273854 (Student's book) 0521273862 (Teacher's book)
Inglés --Manuales, etc.
Inglés --Estudio y enseñanza.
PE1128 / H68 1986
